<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card> 
        <div id="main" style="width: 100%; height: 600px">
            
        </div>
    </el-card>
  </div>
</template>
 
 <script>
// 导入echarts
import echarts from 'echarts'
import _ from 'lodash'

export default {
  data() {
    return {
        // 需要合并的数据
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {},
  async mounted () {
    // 初始化echarts实例
    var myChart = echarts.init(document.getElementById('main')) 
    
    // 获取数据
    const {data: res} = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
    }

    // 配置数据 
    const result = _.merge(res.data, this.options)

    // 展示数据
    myChart.setOption(result)
  },    
  methods: {},
}
</script>

 <style lang="less" scoped>
</style>